States: Maine: Oxford
Brownfield is still a town in Maine. If you have a current atlas, locate Fryeburg at the NH border and you should be able to find Brownfield just to the southeast near Rte. 5/113.
If you haven't checked out the CA State Library resources at Sutro Library in San Francisco you may want to do so. The catalog is searchable online. They have an impressive collection of New England references and family histories.(http://www.lib.state.ca.us/
The Maine State archives has marriages post-1892 indexed on their web site. (http://www.state.me.us/sos/arc/research/homepage.htm is one way to get to this site. )